When Decca started up in late 1934/early 1935, among the early (unsuccessful) labels they produced was Champion and Broadway.
At a later date Champion Records stepped in to help with funding and advice (it has since been bought out by BMG).
Columbia Records | Guinness World Records | Atlantic Records | Decca Records | Mercury Records | Warner Bros. Records | Epic Records | RCA Records | Capitol Records | MCA Records | Virgin Records | Arista Records | Island Records | Elektra Records | Universal Records | Stax Records | Geffen Records | A&M Records | Reprise Records | Naxos Records | Polydor Records | Philips Records | London Records | Interscope Records | Rise Records | Liberty Records | Blue Note Records | Roadrunner Records | MGM Records | CBS Records |